osem-fcy/app/controllers/schedule_controller.rb

class ScheduleController < ApplicationController
  authorize_resource class: false
  layout 'application'

  def index
    @conference = Conference.
        includes(:rooms, events: [:speakers, :track, :event_type]).
        where(conferences: { short_title: params[:conference_id] }).first
    @rooms = @conference.rooms
    @events = @conference.events
    @dates = @conference.start_date..@conference.end_date

    if @dates == Date.current
      @today = Date.current.strftime('%Y-%m-%d')
    else
      @today = @conference.start_date.strftime('%Y-%m-%d')
    end
  end
end